Descending stairs

Question 1

Describe the muscle contraction is weight is transferred onto the left leg

Answer 1

Concentric left hip adductors with reversed origin and insertion

Question 2

Describe the muscle contraction as of right leg is brought forwards

Answer 2

Concentric iliopsoas and hamstrings to cause hip and knee flexion

Question 3

Describe the muscle contraction of the left leg as the right leg move forwards

Answer 3

Concentrate popliteus to unlock the knee

Eccentric gluteus maximus and quadriceps deflects the left leg

Eccentric celesta caused dorsiflexion

Question 4

Describe the muscle contraction and see right leg is lowered to the ground

Answer 4

Concentric gluteus maximus and quadriceps cause hip and knee extension

Concentric contraction of tibialis anterior gauze plantarflexion

Left hip abductors contract eccentrically with reverse origin insertion to control the lowering of the pelvis

Question 5

Describe the muscle contraction as a foot makes first impact with the fa

Answer 5

Eccentric gastrocnemius and quads for shock absorption

Concentric quadriceps and glutes Maximus to extend hip and knee